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对发动机试车测量误差进行了分类并提出了消弱误差的方法,特别是对数据处理中最小二乘法的应用以及推力零位误差的消弱方法进行了阐述。验证表明,这些分析及方法对数据误差的消弱是有效和可行的。
The test error of engine test is classified and the method to weaken the error is put forward. In particular, the application of least square method in data processing and the method to weaken the zero error of thrust are described. Verification shows that these analyzes and methods are effective and feasible to reduce the data error.